| 摘要 |
PURPOSE: A boiler using a composite fuel is provided to improve the heat efficiency of a combustion chamber by supplying an auxiliary fuel to respective burners at a proper ratio and generating a swirl of the combustion heat and to clean the combustion gas by using the air supplied from a swirl air generating plate. CONSTITUTION: A boiler using a composite fuel comprises a fuel unit(100) to preheat and circulate a main fuel and an auxiliary fuel, a burner unit(200) having a main fuel nozzle including air nozzles and an auxiliary fuel nozzle through which the main fuel and the auxiliary fuel are injected at a specific ratio, a combustion unit(300) having a swirl plate(320) to generate a swirl, a conical guide chamber tank(330), a heat exchanger(340), and a combustion chamber(310) to which the combustion heat is guided, and a bag filter unit(400) having a swirl air generating plate(420) and a diluting flue(430) to dilute the combustion gas by using the air passing through the swirl air generating plate.
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